Editor's note: Kirby Ferguson is a New York-based writer, filmmaker and speaker who created the web video series Everything is a Remix. His videos, like the one above, can be found on Vimeo, an online community where artists share their films.

By John Blake, CNN

(CNN) - Can you speak Christian?

Have you told anyone “I’m born again?” Have you “walked the aisle” to “pray the prayer?”

Many Americans are bilingual. They speak a secular language of sports talk, celebrity gossip and current events. But mention religion and some become armchair preachers who pepper their conversations with popular Christian words and trendy theological phrases.

If this is you, some Christian pastors and scholars have some bad news: You may not know what you’re talking about. They say that many contemporary Christians have become pious parrots. They constantly repeat Christian phrases that they don’t understand or distort.

Marcus Borg, an Episcopal theologian, calls this practice “speaking Christian.” He says he heard so many people misusing terms such as “born again” and “salvation” that he wrote a book about the practice.

The CNN Belief Blog covers the faith angles of the day's biggest stories, from breaking news to politics to entertainment, fostering a global conversation about the role of religion and belief in readers' lives. It's edited by CNN's Daniel Burke with contributions from Eric Marrapodi and CNN's worldwide news gathering team.